Subtract 7/27 from 25/30
25/30 - 7/27 is 31/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
25/30 = 25 × 9/30 × 9 = 225/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
7/27 = 7 × 10/27 × 10 = 70/270 - Subtract the two like fractions:
225/270 - 70/270 = 225 - 70/270 = 155/270 - After reducing the fraction, the answer is 31/54
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